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<title>Common ENTITIES</title>
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<h1>Introduction.</h1>
This is a collection of group code that can appear  in all DXF ENTITIES entity,<br>
for convenience have been collected in a single list.<br>
<br>
Table: Common Entity Group Codes.<br>
<br>
<table style="border:2px solid black;border-collapse:collapse">
<tr><th style="border:2px solid black" bgcolor="#C0C0C0">Group code</th><th style="border:2px solid black" bgcolor="#C0C0C0">Description</th><th style="border:2px solid black" bgcolor="#C0C0C0">if omitted,<br>defaults to</th><th style="border:2px solid black" bgcolor="#C0C0C0">Version<br>introduction</th><th style="border:2px solid black" bgcolor="#C0C0C0">Modified in</th></tr>
<tr><td style="border:2px solid black">-1</td><td style="border:2px solid black">Application only: entity name (changes each time you open the drawing)</td><td style="border:2px solid black">Not omitted</td><td style="border:2px solid black" align="CENTER">DXF R13</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">0</td><td style="border:2px solid black">Entity type</td><td style="border:2px solid black">Not omitted</td><td style="border:2px solid black" align="CENTER">DXF R10</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">5</td><td style="border:2px solid black">Handle</td><td style="border:2px solid black">Not omitted</td><td style="border:2px solid black" align="CENTER">DXF R10</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">102</td><td style="border:2px solid black">Start point for application "{application_name".<br>See the tables below for examples.</td><td style="border:2px solid black">no default</td><td style="border:2px solid black" align="CENTER">DXF R14<td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">application<br>dependent</td><td style="border:2px solid black">After the start point until end point depends on the application.<br>See the tables below for examples.</td><td style="border:2px solid black">no default</td><td style="border:2px solid black" align="CENTER">DXF R14</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">102</td><td style="border:2px solid black">End point, "}"</td><td style="border:2px solid black">no default</td><td style="border:2px solid black" align="CENTER">DXF R14</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">330</td><td style="border:2px solid black">Soft-pointer ID / handle BLOCK_RECORD placed in the TABLES section</td><td style="border:2px solid black">Not omitted</td><td style="border:2px solid black" align="CENTER">DXF R15/2000</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">100</td><td style="border:2px solid black">Generic subclass marker for entities (AcDbEntity).<br>Each entity has another specific subclass marker.</td><td style="border:2px solid black">Not omitted</td><td style="border:2px solid black" align="CENTER">DXF R13</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">67</td><td style="border:2px solid black">If absent or 0, the entity is in model space.<br>Else if 1 the entity is in paper space.<br>All other values are actually unused (optional)</td><td style="border:2px solid black">0</td><td style="border:2px solid black" align="CENTER">DXF R13</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">410</td><td style="border:2px solid black">Application only: layout tab name</td><td style="border:2px solid black">Not omitted</td><td style="border:2px solid black" align="CENTER">DXF R15/2000</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">8</td><td style="border:2px solid black">Layer name</td><td style="border:2px solid black">Not omitted</td><td style="border:2px solid black" align="CENTER">DXF R10</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">6</td><td style="border:2px solid black">Linetype name (if isn't BYLAYER)<br>BYBLOCK is a floating linetype (optional)</td><td style="border:2px solid black">BYLAYER</td><td style="border:2px solid black" align="CENTER">DXF R10</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">38</td><td style="border:2px solid black">Elevation (if nonzero). Removed since DXF R12</td><td style="border:2px solid black">0</td><td style="border:2px solid black" align="CENTER">DXF R10</td><td style="border:2px solid black" align="CENTER" bgcolor="#FF0000">Removed</td></tr>
<tr><td style="border:2px solid black">347</td><td style="border:2px solid black">Hard-pointer ID/handle to material object (if isn't BYLAYER)</td><td style="border:2px solid black">BYLAYER</td><td style="border:2px solid black" align="CENTER">DXF 2007</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">62</td><td style="border:2px solid black">Color number (if isn't BYLAYER)<br>0 is the BYBLOCK color.<br>256 is the BYLAYER color (optional)</td><td style="border:2px solid black">BYLAYER</td><td style="border:2px solid black" align="CENTER">DXF R10<td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">370</td><td style="border:2px solid black">Lineweight enumeration value<br>Is a 16-bit integer</td><td style="border:2px solid black">Not omitted</td><td style="border:2px solid black" align="CENTER">DXF 2002</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">48</td><td style="border:2px solid black">Linetype scale (optional)</td><td style="border:2px solid black">1.0</td><td style="border:2px solid black" align="CENTER">DXF R13</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">60</td><td style="border:2px solid black">Visibility: 0 = visible or 1 = invisible (optional)</td><td style="border:2px solid black">0</td><td style="border:2px solid black" align="CENTER">DXF R13</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">92</td><td style="border:2px solid black">The number of bytes in the picture (and subsequent binary chunk records) (optional)</td><td style="border:2px solid black">no default</td><td style="border:2px solid black" align="CENTER">DXF R15/2000</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">310</td><td style="border:2px solid black">Preview image (can be multiple lines, each line must have a maximum of 256 characters) (optional)</td><td style="border:2px solid black">no default</td><td style="border:2px solid black" align="CENTER">DXF R15/2000</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">420</td><td style="border:2px solid black">A 24-bit color values from 0 (highest) to 255 (bottom)<br>The lowest byte is the value of blue, the byte middle is the green value, and the third byte is the red value</td><td style="border:2px solid black">no default</td><td style="border:2px solid black" align="CENTER">DXF 2004</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">430</td><td style="border:2px solid black">Color name</td><td style="border:2px solid black">no default</td><td style="border:2px solid black" align="CENTER">DXF 2004</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">440</td><td style="border:2px solid black">Transparency value</td><td style="border:2px solid black">no default</td><td style="border:2px solid black" align="CENTER">DXF 2004</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">390</td><td style="border:2px solid black">Hard pointer ID/handle to the plot style object</td><td style="border:2px solid black">no default</td><td style="border:2px solid black" align="CENTER">DXF 2007</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
<tr><td style="border:2px solid black">284</td><td style="border:2px solid black">Shadow mode</td><td style="border:2px solid black">no default</td><td style="border:2px solid black" align="CENTER">DXF 2007</td><td style="border:2px solid black" align="CENTER" bgcolor="#23FF23">Never</td></tr>
</table>
<br><br><br><br><br>
Table: Attached (persistent reactors).<br>
<br>
<table style="border:2px solid black;border-collapse:collapse">
<tr><th style="border:2px solid black" bgcolor="#C0C0C0">Group code</th><th style="border:2px solid black" bgcolor="#C0C0C0">Description</th><th style="border:2px solid black" bgcolor="#C0C0C0">Version<br>introduction</th></tr>
<tr><td style="border:2px solid black">102</td><td style="border:2px solid black">"{ACAD_REACTORS" indicates the start point</td><td style="border:2px solid black" align="CENTER">DXF R14</td></tr>
<tr><td style="border:2px solid black">330</td><td style="border:2px solid black">Soft pointer ID/handle to owner dictionary</td><td style="border:2px solid black" align="CENTER">DXF R14</td></tr>
<tr><td style="border:2px solid black">102</td><td style="border:2px solid black">End point, "}"</td><td style="border:2px solid black" align="CENTER">DXF R14</td></tr>
</table>
<br><br><br><br><br>
Table: Attached (extension dictionary). <br>
<br>
<table style="border:2px solid black;border-collapse:collapse">
<tr><th style="border:2px solid black" bgcolor="#C0C0C0">Group code</th><th style="border:2px solid black" bgcolor="#C0C0C0">Description</th><th style="border:2px solid black" bgcolor="#C0C0C0">Version<br>introduction</th></tr>
<tr><td style="border:2px solid black">102</td><td style="border:2px solid black">"{ACAD_XDICTIONARY" indicates the start point</td><td style="border:2px solid black" align="CENTER">DXF R14</td></tr>
<tr><td style="border:2px solid black">360</td><td style="border:2px solid black">Hard owner ID/handle to owner dictionary</td><td style="border:2px solid black" align="CENTER">DXF R14</td></tr>
<tr><td style="border:2px solid black">102</td><td style="border:2px solid black">End point, "}"</td><td style="border:2px solid black" align="CENTER">DXF R14</td></tr>
</table>
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